GetEllipticCurveAlgorithm method is a significant contributor to any performance issues before optimizing it.

[bierquelle06]

...\src\AdsPush.APNS\Helpers\AppleCryptoHelper.cs

The GetEllipticCurveAlgorithm method is responsible for converting a given base64-encoded private key into an ECDsa instance.

This process involves creating an instance of ECPrivateKeyParameters from the private key, performing point multiplication and normalization, and finally constructing an ECDsa object.

While this process isn't inherently slow, if this method is called frequently in a performance-critical context, you might want to consider potential optimizations.

Conversion Overhead: The process of converting the private key and performing point multiplication can be computationally intensive, especially if it's being done frequently. Keep in mind that working with elliptic curve cryptography involves mathematical operations that can be resource-intensive.